AU1868024A - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU1868024A
AU1868024A AU18680/24A AU1868024A AU1868024A AU 1868024 A AU1868024 A AU 1868024A AU 18680/24 A AU18680/24 A AU 18680/24A AU 1868024 A AU1868024 A AU 1868024A AU 1868024 A AU1868024 A AU 1868024A
Authority
AU
Australia
Prior art keywords
improvements relating
telephone systems
telephone
relating
systems
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU18680/24A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Publication of AU1868024A publication Critical patent/AU1868024A/en
Expired legal-status Critical Current

Links

AU18680/24A 1923-07-16 1924-07-15 Improvements relating to telephone systems Expired AU1868024A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB18,353/2 1923-07-16

Publications (1)

Publication Number Publication Date
AU1868024A true AU1868024A (en) 1924-07-17

Family

ID=

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